18983664

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:567

約数の個数: 120

約数和(自身を含む): 62481120

約数和(自身を除く): 43497456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 72, 74, 84, 111, 112, 126, 144, 148, 168, 222, 252, 259, 296, 333, 336, 444, 504, 509, 518, 592, 666, 777, 888, 1008, 1018, 1036, 1332, 1527, 1554, 1776, 2036, 2072, 2331, 2664, 3054, 3108, 3563, 4072, 4144, 4581, 4662, 5328, 6108, 6216, 7126, 8144, 9162, 9324, 10689, 12216, 12432, 14252, 18324, 18648, 18833, 21378, 24432, 28504, 32067, 36648, 37296, 37666, 42756, 56499, 57008, 64134, 73296, 75332, 85512, 112998, 128268, 131831, 150664, 169497, 171024, 225996, 256536, 263662, 301328, 338994, 395493, 451992, 513072, 527324, 677988, 790986, 903984, 1054648, 1186479, 1355976, 1581972, 2109296, 2372958, 2711952, 3163944, 4745916, 6327888, 9491832, 18983664]

約数ペア:

[(1, 18983664), (2, 9491832), (3, 6327888), (4, 4745916), (6, 3163944), (7, 2711952), (8, 2372958), (9, 2109296), (12, 1581972), (14, 1355976), (16, 1186479), (18, 1054648), (21, 903984), (24, 790986), (28, 677988), (36, 527324), (37, 513072), (42, 451992), (48, 395493), (56, 338994), (63, 301328), (72, 263662), (74, 256536), (84, 225996), (111, 171024), (112, 169497), (126, 150664), (144, 131831), (148, 128268), (168, 112998), (222, 85512), (252, 75332), (259, 73296), (296, 64134), (333, 57008), (336, 56499), (444, 42756), (504, 37666), (509, 37296), (518, 36648), (592, 32067), (666, 28504), (777, 24432), (888, 21378), (1008, 18833), (1018, 18648), (1036, 18324), (1332, 14252), (1527, 12432), (1554, 12216), (1776, 10689), (2036, 9324), (2072, 9162), (2331, 8144), (2664, 7126), (3054, 6216), (3108, 6108), (3563, 5328), (4072, 4662), (4144, 4581)]